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Chou AK, Chen YW. Beta-blocker carteolol and oxprenolol produce cutaneous analgesia in response to needle pinpricks in the rat. Neurol Res 2023; 45:363-369. [PMID: 36403147 DOI: 10.1080/01616412.2022.2148511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
BACKGROUND This present study was undertaken to determine whether beta-blockers produce the cutaneous analgesic effect, comparing them with the long-acting local anesthetic bupivacaine. METHODS Using a rat model of infiltrative cutaneous analgesia, the effect of 5 beta-blockers (oxprenolol, carteolol, butaxamine, metoprolol, and acebutolol) and bupivacaine was compared and eventually combined with epinephrine. RESULTS Among 5 beta-blockers, oxprenolol exhibited the most potent and the longest duration of cutaneous analgesia. In dose-response studies, the rank order of efficacy (ED50 [50% effective dose]) was bupivacaine (0.40 [0.35-0.47] μmol) > oxprenolol (2.33 [2.06-2.64] μmol) > carteolol (4.86 [4.27-5.53] μmol) (p< 0.01). Carteolol provoked a longer duration of analgesia (p< 0.01) than oxprenolol or bupivacaine on an equipotent basis (ED25, ED50, and ED75). Adding epinephrine 1:200,000 to drug preparations (carteolol, oxprenolol, and bupivacaine) at ED95 had a peripheral action in prolonging the duration of action. CONCLUSIONS Oxprenolol and carteolol had greater potencies and longer durations of cutaneous analgesia than butaxamine, metoprolol, and acebutolol. Oxprenolol produced a similar duration of action when compared to bupivacaine, while carteolol had a greater duration of action than bupivacaine. Cutaneous analgesia of oxprenolol (or carteolol) plus adrenaline was greater than that of bupivacaine plus adrenaline.
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Affiliation(s)
- An-Kuo Chou
- Department of Anesthesiology, China Medical University Hospital, Taichung, Taiwan.,School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan
| | - Yu-Wen Chen
- Department of Physical Therapy, College of Health Care, China Medical University, Taichung, Taiwan
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Dikmen Z, Turhan O, Özbal A, Bütün V. In-situ formation of fluorophore cross-linked micellar thick films and usage as drug delivery material for Propranolol HCl. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 279:121452. [PMID: 35667138 DOI: 10.1016/j.saa.2022.121452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/21/2022] [Accepted: 05/28/2022] [Indexed: 06/15/2023]
Abstract
Polyethylene glycol monomethyl ether-block-poly(glycidyl methacrylate)-block-poly[2-(diethylamino)ethyl methacrylate] triblock copolymer was synthesized to prepare self-assembled micron sized films via a novel approach named as "phase separated micellar self assembly method". Liquid-air interface self assembly method via slow solvent evaporation was used to obtain micellar films. Cross-linking of polymer films was carried out by diffusion of fluorophore cross-linker into polymer solution from subphase. In-situ micellar formation was triggered via driven forces such as molecular interactions and slow evaporation of solvent. Thiazolo[5,4-d]thiazole based cross-linker fluorophores containing alkali subphases were used to prepare highly fluorescent cross-linked micellar films. Micellar morphologies of the films were characterized with SEM while the cross-sections of fluorophore cross-linked films were observed with TEM analysis to examine diffusion of the dye as nano-sized particles into the polymer film. Convenience and usability of the micellar films as drug delivery material were demonstrated with Propranolol HCl release via UV-Vis spectroscopic studies. Optical properties of the films before and after drug release were determined via photoluminescence spectroscopy to be able to sense the completion of the drug release process. Swelling and shrinkage properties of the films were also determined in different pH values. These highly fluorescent polymer films have great potential as drug delivery materials and biomedical sensing applications.
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Affiliation(s)
- Zeynep Dikmen
- Faculty of Engineering, Department of Biomedical Engineering, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey
| | - Onur Turhan
- Institute of Science, Polymer Science and Technology Department, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey
| | - Ayşegül Özbal
- Facullty of Science and Letters, Department of Chemistry, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey
| | - Vural Bütün
- Facullty of Science and Letters, Department of Chemistry, Eskisehir Osmangazi University, 26040 Eskisehir, Turkey.
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Tchivileva IE, Ohrbach R, Fillingim RB, Lim PF, Giosia MD, Ribeiro-Dasilva M, Campbell JH, Hadgraft H, Willis J, Arbes SJ, Slade GD. Effect of comorbid migraine on propranolol efficacy for painful TMD in a randomized controlled trial. Cephalalgia 2021; 41:839-850. [PMID: 33560875 PMCID: PMC8166404 DOI: 10.1177/0333102421989268] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Introduction The migraine-preventive drug propranolol is efficacious in reducing pain from temporomandibular disorder, suggesting potential modifying or mediating effects of comorbid migraine. Methods In this randomized controlled trial, myofascial temporomandibular disorder patients were treated with propranolol or placebo for 9 weeks. The primary endpoint was change in a facial pain index derived from daily symptom diaries. Linear and logistic regression models tested for a migraine × treatment-group interaction in reducing facial pain index. Counterfactual models explored changes in headache impact and heart rate as mediators of propranolol's efficacy. Results Propranolol's efficacy in reducing facial pain index was greater among the 104 migraineurs than the 95 non-migraineurs: For example, for the binary ≥ 30% reduction in facial pain index, odds ratios were 3.3 (95% confidence limits: 1.4, 8.1) versus 1.3 (0.5, 3.2), respectively, although the interaction was statistically non-significant (p = 0.139). Cumulative response curves confirmed greater efficacy for migraineurs than non-migraineurs (differences in area under the curve 26% and 6%, respectively; p = 0.081). While 9% of the treatment effect was mediated by reduced headache impact, 46% was mediated by reduced heart rate. Conclusions Propranolol was more efficacious in reducing temporomandibular disorder pain among migraineurs than non-migraineurs, with more of the effect mediated by reduced heart rate than by reduced headache impact. Study identification and registration SOPPRANO; NCT02437383; https://clinicaltrials.gov/ct2/show/NCT02437383
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Affiliation(s)
- Inna E Tchivileva
- Center for Pain Research and Innovation, Adams School of Dentistry, 2331University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Division of Oral and Craniofacial Health Sciences, Adams School of Dentistry, 2331University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Richard Ohrbach
- Department of Oral Diagnostic Sciences, School of Dental Medicine, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Roger B Fillingim
- Department of Community Dentistry and Behavioral Science, College of Dentistry, 3463University of Florida, Gainesville, FL, USA
| | - Pei Feng Lim
- Center for Pain Research and Innovation, Adams School of Dentistry, 2331University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Division of Diagnostic Sciences, Adams School of Dentistry, 2331University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Massimiliano Di Giosia
- Center for Pain Research and Innovation, Adams School of Dentistry, 2331University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Division of Diagnostic Sciences, Adams School of Dentistry, 2331University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Margarete Ribeiro-Dasilva
- Department of Restorative Dental Science, Prosthodontics Division, College of Dentistry, 3463University of Florida, Gainesville, FL, USA
| | - John H Campbell
- Department of Oral and Maxillofacial Surgery, School of Dental Medicine, University at Buffalo, State University of New York, Buffalo, NY, USA
| | | | | | | | - Gary D Slade
- Center for Pain Research and Innovation, Adams School of Dentistry, 2331University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Division of Pediatric and Public Health, Adams School of Dentistry, 2331University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Cunha-Filho M, Rocha JL, Duarte NCB, Sa-Barreto LL. Development of a reversed-phase high-performance liquid chromatographic method for the determination of propranolol in different skin layers. Biomed Chromatogr 2020; 35:e4987. [PMID: 32931605 DOI: 10.1002/bmc.4987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/13/2020] [Accepted: 09/03/2020] [Indexed: 12/16/2022]
Abstract
The aim of this work was to develop and validate an analytical method using HPLC for the determination of propranolol in the different layers of the skin to be used in kinetic studies of skin permeation. The development of the method was based on the suitability of the chromatogram, and the validation followed the international health regulation for bioanalytical methods. In addition, the method was tested in an in vitro permeation assay using porcine skin. The drug was determined using an RP-C18 column at 30°C, a mobile phase comprising acidic aqueous phase:acetonitrile (75:25 v/v), at a flow rate of 1.0 mL min-1 , and UV detection at 290 nm. The method was demonstrated to be selective against skin contaminants, linear in a wide range of concentrations (3-20 μg mL-1 ), sensitive enough to quantify less than 0.1% of the drug dosage in skin matrices, and precise regardless of analysis variations such as day of analysis, analyst, or equipment. In addition, the method presented a high drug extraction capacity greater than 90% for all skin layers (stratum corneum, hair follicle, and remaining skin). Finally, the method was successfully tested in skin permeation assays, proving its value in the development of topical formulations containing propranolol.
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Affiliation(s)
- Marcilio Cunha-Filho
- Laboratory of Food, Drug, and Cosmetics (LTMAC), Faculty of Health Sciences, University of Brasília, Brasília, DF, Brazil
| | | | - Natane C B Duarte
- Laboratory of Food, Drug, and Cosmetics (LTMAC), Faculty of Health Sciences, University of Brasília, Brasília, DF, Brazil
| | - Lívia L Sa-Barreto
- Faculty of Ceilândia, University of Brasília (UnB), Ceilândia, DF, Brazil
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Ranugha PSS, Betkerur J. Antihypertensives in dermatology Part I - Uses of antihypertensives in dermatology. Indian J Dermatol Venereol Leprol 2018; 84:6-15. [DOI: 10.4103/ijdvl.ijdvl_991_16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Afify EA, Andijani NM. Potentiation of Morphine-Induced Antinociception by Propranolol: The Involvement of Dopamine and GABA Systems. Front Pharmacol 2017; 8:794. [PMID: 29209205 PMCID: PMC5701645 DOI: 10.3389/fphar.2017.00794] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 10/20/2017] [Indexed: 12/26/2022] Open
Abstract
Tolerance to the analgesic effect of morphine is a major clinical problem which can be managed by co-administration of another drug. This study investigated the ability of propranolol to potentiate the antinociceptive action of morphine and the possible mechanisms underlying this effect. Antinociception was assessed in three nociceptive tests (thermal, hot plate), (visceral, acetic acid), and (inflammatory, formalin test) in mice and quantified by measuring the percent maximum possible effect, the percent inhibition of acetic acid-evoked writhing response, and the area under the curve values of number of flinches for treated mice, respectively. The study revealed that propranolol (0.25-20 mg/Kg, IP) administration did not produce analgesia in mice. However, 10 mg/Kg propranolol, enhanced the antinociceptive effect of sub-analgesic doses of morphine (0.2, 1, and 2 mg/Kg, IP) in the three nociceptive tests. It also shifted the dose response curve of morphine to the left. The combined effect of propranolol and morphine was attenuated by haloperidol (D2 receptor antagonist, 1.5 mg/Kg, IP), and bicuculline (GABAA receptor antagonist, 2 mg/Kg, IP). Repeated daily administration of propranolol (10 mg/Kg, IP) did not alter the nociceptive responses in the three pain tests, but it significantly potentiated morphine-induced antinociception in the hot plate, acetic acid-evoked writhing, and in the second phase of formalin tests. Together, the data suggest that a cross-talk exists between the opioidergic and adrenergic systems and implicate dopamine and GABA systems in this synergistic effect of morphine-propranolol combination. Propranolol may serve as an adjuvant therapy to potentiate the effect of opioid analgesics.
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Affiliation(s)
- Elham A Afify
- Department of Pharmacology, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Najlaa M Andijani
- Department of Pharmacology, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
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Hung CH, Chiu CC, Liu KS, Chen YW, Wang JJ. Synergistic Effects of Serotonin or Dopamine Combined With Lidocaine at Producing Nociceptive Block in Rats. Reg Anesth Pain Med 2017; 42:351-356. [PMID: 28079753 DOI: 10.1097/aap.0000000000000552] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND The purpose of this experiment was to investigate the interactions of the local anesthetic lidocaine combined with an agent (serotonin or dopamine) as infiltrative anesthetics. METHODS Cutaneous analgesia was characterized by the blockade of the cutaneous trunci muscle reflex following 6 skin pinpricks on the rat back. Serotonin or dopamine at producing cutaneous analgesia in a dosage-dependent fashion was compared with lidocaine. Drug-drug interactions were calculated using the isobolographic analysis. RESULTS We revealed that serotonin, dopamine, and lidocaine provoked dose-related cutaneous analgesic effects. On the 50% effective dose basis, the rank of drugs' potency was found to be serotonin (1.70 [1.56-1.85] μmol) > lidocaine (5.18 [4.67-5.75] μmol) > dopamine (43.0 [40.9-45.2] μmol) (P < 0.01). At doses equivalent to their 25%, 50%, and 75% effective doses, serotonin or dopamine elicited a longer duration of action than lidocaine (P < 0.01) on producing cutaneous analgesia. Coadministration of serotonin or dopamine with lidocaine produced a synergistic effect. CONCLUSIONS The preclinical data showed that serotonin and dopamine produce dose-related cutaneous analgesic effects as an infiltrative anesthetic. Serotonin has a better potency with a much longer duration of action compared with lidocaine at provoking cutaneous analgesia. Serotonin or dopamine as an adjuvant increases the quality of lidocaine in cutaneous analgesia.
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Affiliation(s)
- Ching-Hsia Hung
- From the *Department of Physical Therapy and †Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University; and ‡Department of Electrical Engineering, Southern Taiwan University of Science and Technology, Tainan; §Department of General Surgery, Chi Mei Medical Center, Tainan and Liouying; ∥Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan; ¶Department of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Health Care, China Medical University, Taichung; and **Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
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Multimodal Approaches to Analgesia in Enhanced Recovery After Surgery Pathways. Int Anesthesiol Clin 2017; 55:51-69. [DOI: 10.1097/aia.0000000000000165] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Milosavljevic МJ, Jankovic SM. The impact of cardiovascular drugs on the efficacy of local anesthesia in dentistry. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2016; 160:571-577. [PMID: 27485183 DOI: 10.5507/bp.2016.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 07/21/2016] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND AND AIM Drugs used chronically by patients with diseases of the cardiovascular system (group C of the ATC classification) may act on adrenergic receptors and/or certain ion channels, which gives them the potential to interact with the action of local dental anesthetics. The aim of the study was to investigate the effect of systemically administered chronic cardiovascular medication (oral route) on the efficacy of intraoral local anesthesia in patients with diseases of the cardiovascular system. PATIENTS AND METHODS This was a prospective cohort study which analyzed the efficacy of local terminal anesthesia (onset of anesthesia, duration anesthetized area) in the upper jaw of 70 patients: 40 patients on medication for cardiovascular system disorders and 30 patients who were not using these drugs (the control group). The following cardiovascular drugs were used: beta blockers, angiotensin converting enzyme inhibitors, calcium channel blockers, vasodilatators, diuretics, angiotensin receptor blockers, antiarrhythmics, statins and alfa blockers. RESULTS The onset of anesthesia on the vestibular side was faster in those taking cardiovascular drugs (40.50±19.87 s) than the control patients (58.93±31.07 s; P = 0.004) and duration of anesthesia on this side was shorter. Although the difference was not significant, it was evident that on vestibular and palatal side the anesthetized area was more rapidly reduced in the patients taking cardiovascular drugs. The duration of cardiovascular therapy also had a significant impact on the anesthetized area. CONCLUSION Drugs acting on cardiovascular system may influence the effect of local anesthetics used in dentistry, possibly through interaction with autonomic receptors and ion channels.
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Affiliation(s)
- Мarko J Milosavljevic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Serbia
| | - Slobodan M Jankovic
- Department of Pharmacology, Faculty of Medical Sciences, University of Kragujevac and Clinical Center Kragujevac, Serbia
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Hung CH, Chiu CC, Liu KS, Wang JJ, Chen YW. Clonidine as an adjuvant for propranolol enhances its effect on infiltrative cutaneous analgesia in rats. Neurosci Lett 2016; 616:70-4. [PMID: 26828301 DOI: 10.1016/j.neulet.2016.01.054] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 01/13/2016] [Accepted: 01/26/2016] [Indexed: 02/07/2023]
Abstract
Clonidine prolongs duration of analgesia when used as an adjunct to local anesthetics for infiltrative cutaneous analgesia, and propranolol produces local anesthesia. The purpose of the experiment was to evaluate clonidine as an adjuvant for propranolol on the quality and duration of cutaneous analgesia. A rat model of cutaneous trunci muscle reflex (CTMR) in response to local skin pinprick was employed to evaluate the cutaneous analgesic effect of propranolol combined with clonidine. The long-lasting local anesthetic bupivacaine was used as control. Cutaneous analgesia elicited by propranolol and bupivacaine was dose-dependent, and both propranolol (9.0μmol) and bupivacaine (1.8μmol) produced 100% nociceptive blockade. On an 50% effective dose (ED50) basis, the relative potency was bupivacaine [0.48 (0.42-0.55) μmol] greater than propranolol [2.27 (1.98-2.54) μmol] (p<0.01). Subcutaneous saline and clonidine (0.12μmol) did not produce cutaneous analgesia. The mixture of an ineffective-dose clonidine (0.12μmol) and a drug (propranolol or bupivacaine) at ED50 or ED95 increased the potency and extended the duration at producing cutaneous analgesia. The resulting data demonstrated that propranolol is less potent than bupivacaine as an infiltrative anesthetic. Clonidine as an adjuvant for propranolol or bupivacaine has a significant peripheral action in increasing the depth and duration of action on infiltrative cutaneous analgesia.
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Affiliation(s)
- Ching-Hsia Hung
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chong-Chi Chiu
- Department of General Surgery, Chi Mei Medical Center, Tainan and Liouying, Taiwan; Department of Electrical Engineering, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - Kuo-Sheng Liu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | - Jhi-Joung Wang
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
| | - Yu-Wen Chen
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan; Department of Physical Therapy, College of Health Care, China Medical University, Taichung, Taiwan.
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Chen YW, Chiu CC, Wei YL, Hung CH, Wang JJ. Propranolol combined with dopamine has a synergistic action in intensifying and prolonging cutaneous analgesia in rats. Pharmacol Rep 2015; 67:1224-9. [PMID: 26481546 DOI: 10.1016/j.pharep.2015.05.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 05/20/2015] [Accepted: 05/21/2015] [Indexed: 02/07/2023]
Abstract
BACKGROUND The purpose of the experiment was to assess interactions of dopamine with propranolol as an infiltrative anesthetic. METHODS After injecting the rats with four doses of drugs subcutaneously, the cutaneous analgesic effect of propranolol was compared with dopamine through the blockade of cutaneous trunci muscle reflex (CTMR) in response to local skin pinprick. Drug-drug interactions were examined via an isobolographic analysis. RESULTS We demonstrated that the action of propranolol and dopamine was dose dependent to skin infiltrative analgesia. On the ED(50) (50% effective dose) basis, the rank of drug potency was propranolol (11.3 [10.6-12.2]μmol) > dopamine (195 [188-205]μmol) (p < 0.001). At the equi-anesthetic doses (ED(25), ED(50), ED(75)), the block duration caused by dopamine was equal to that caused by propranolol. Coadministration of dopamine and propranolol exhibited a synergistic effect on infiltrative cutaneous analgesia. CONCLUSIONS The preclinical data showed that dopamine produced a lesser potency but a comparable duration of cutaneous analgesia compared to propranolol. Adding dopamine to propranolol potentiated and prolonged propranolol's cutaneous analgesic effect.
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Affiliation(s)
- Yu-Wen Chen
- Department of Physical Therapy, Graduate Institute of Rehabilitation Science, College of Health Care, China Medical University, Taichung, Taiwan; Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
| | - Chong-Chi Chiu
- Department of General Surgery, Chi Mei Medical Center, Tainan and Liouying, Taiwan; Department of Electrical Engineering, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - Yu-Lei Wei
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ching-Hsia Hung
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
| | - Jhi-Joung Wang
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
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Beta-adrenergic antagonists during general anesthesia reduced postoperative pain: a systematic review and a meta-analysis of randomized controlled trials. J Anesth 2015; 29:934-43. [DOI: 10.1007/s00540-015-2041-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Accepted: 06/21/2015] [Indexed: 12/11/2022]
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Clonidine intensifies memantine cutaneous analgesia in response to local skin noxious pinprick in the rat. Pharmacol Rep 2015; 67:485-9. [DOI: 10.1016/j.pharep.2014.12.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 11/21/2014] [Accepted: 12/03/2014] [Indexed: 10/24/2022]
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Tzeng JI, Pan HJ, Liu KS, Chen YW, Chen YC, Wang JJ. Epinephrine as adjuvant for propranolol produces a marked peripheral action in intensifying and prolonging analgesia in response to local dorsal cutaneous noxious pinprick in rats. Eur J Pharmacol 2014; 740:565-9. [DOI: 10.1016/j.ejphar.2014.06.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 06/05/2014] [Accepted: 06/06/2014] [Indexed: 02/03/2023]
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Co-administration of memantine with epinephrine produces a marked peripheral action in intensifying and prolonging analgesia in response to local skin pinprick in rats. Neurosci Lett 2014; 574:59-63. [DOI: 10.1016/j.neulet.2014.05.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 04/11/2014] [Accepted: 05/14/2014] [Indexed: 11/18/2022]
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Owoyele BV, Oladejo RO, Ajomale K, Ahmed RO, Mustapha A. Analgesic and anti-inflammatory effects of honey: the involvement of autonomic receptors. Metab Brain Dis 2014; 29:167-73. [PMID: 24318481 DOI: 10.1007/s11011-013-9458-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 11/21/2013] [Indexed: 11/28/2022]
Abstract
The use of honey for therapeutic purposes is on the increase and many studies have shown that honey has the ability to influence biological systems including pain transmission. Therefore, this study was designed to investigate the analgesic and anti-inflammatory effects of honey and the effects of concurrent administration of autonomic nervous system blocking drugs. Studies on analgesic activities was carried out using hotplate and formalin-induced paw licking models while the anti-inflammatory activity was by the carrageenan paw oedema method. Animals were distributed into six groups consisting of five animals each. They were administered saline, honey (600 mg/kg), indomethacin (5 mg/kg), autonomic blockers (3 μg/kg of tamsulosin, 20 mg/kg (intraperitoneally) of propranolol, 2 ml/kg of atropine or 10 mg/kg (intra muscularly) of hexamethonium) or honey (200 and 600 mg/kg) with one of the blockers. The results showed that honey reduced pain perception especially inflammatory pain and the administration of tamsulosin and propranolol spared the effect of honey. Hexamethonium also spared the effects of honey at the early and late phases of the test while atropine only inhibited the early phase of the test. However, atropine and hexamethonium spared the anti-inflammatory effects of honey but tamsulosin abolished the effects while propranolol only abolished the anti-inflammatory effects at the peak of the inflammation. The results suggest the involvement of autonomic receptors in the anti-nociceptive and anti-inflammatory effects of honey although the level of involvement depends on the different types of the receptors.
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Abstract
The number of approved new molecular entity drugs has been decreasing as the pharmaceutical company investment in research and development is increasing. As we face this painful crisis, called an innovation gap, there is increasing awareness that development of new uses of existing drugs may be a powerful tool to help overcome this obstacle because it takes too long, costs too much and can be risky to release drugs developed de novo. Consequently, drug repositioning is emerging in different therapeutic areas, including the pain research area. Worldwide, pain is the main reason for seeking healthcare, and pain relief represents an unmet global clinical need. Therefore, development of analgesics with better efficacy, safety and cost effectiveness is of paramount importance. Despite the remarkable advancement in research on cellular and molecular mechanisms underlying pain pathophysiology over the past three decades, target-based therapeutic opportunities have not been pursued to the same extent. Phenotypic screening remains a more powerful tool for drug development than target-based screening so far. It sounds somewhat heretical, but some multi-action drugs, rather than very selective ones, have been developed intentionally. In the present review, we first critically discuss the utility of drug repositioning for analgesic drug development and then show examples of 'old' drugs that have been successfully repositioned or that are under investigation for their analgesic actions. We conclude that drug repositioning should be more strongly encouraged to help build a bridge between basic research and pain relief worldwide.
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Affiliation(s)
- Leandro Francisco Silva Bastos
- Laboratório de Imunofarmacologia, sala O4-202, Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Avenida Antônio Carlos 6627, Pampulha, Belo Horizonte, CEP 31.270-901, Brazil,
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Chen YW, Tzeng JI, Chen TY, Wang JJ, Chen YC, Hung CH. Diphenhydramine produces local cutaneous analgesia in response to dorsal skin noxious stimuli in the rat. Fundam Clin Pharmacol 2013; 28:439-44. [DOI: 10.1111/fcp.12048] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Revised: 07/27/2013] [Accepted: 08/09/2013] [Indexed: 11/26/2022]
Affiliation(s)
- Yu-Wen Chen
- Department of Physical Therapy; Graduate Institute of Rehabilitation Science; China Medical University; 40402 Taichung Taiwan
- Department of Medical Research; Chi-Mei Medical Center; Yong Kang 71004 Tainan Taiwan
| | - Jann-Inn Tzeng
- Department of Anesthesiology; Chi-Mei Medical Center; Yong Kang 71004 Tainan Taiwan
- Department of Food Sciences and Technology; Chia Nan University of Pharmacy and Sciences; Jen-Te 71710 Tainan Taiwan
| | - Ting-Yun Chen
- Department of Physical Therapy; Graduate Institute of Rehabilitation Science; China Medical University; 40402 Taichung Taiwan
| | - Jhi-Joung Wang
- Department of Medical Research; Chi-Mei Medical Center; Yong Kang 71004 Tainan Taiwan
| | - Yu-Chung Chen
- Division of Physical Therapy; Department of Physical Medicine and Rehabilitation; Cheng Hsin General Hospital; 112 Taipei Taiwan
| | - Ching-Hsia Hung
- Institute & Department of Physical Therapy; National Cheng Kung University; 701 Tainan Taiwan
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